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Also available:
World English Dictionary
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class number
class num·ber
(
plural
class num·bers
)
noun
Definition:
book identification in library:
a series of letters and/or numbers on a book or other publication in a library identifying it, the category of its subject matter, and usually its shelf location
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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